Use After Free in Google Chrome
CVE-2019-5786
Object lifetime issue in Blink in Google Chrome prior to 72.0.3626.121 allowed a remote attacker to potentially perform out of bounds memory access via a crafted HTML page.
Vulnerability class: Use-After-Free
Published · last modified .
CVSS v3 metric
CVSS v3 base score 6.5 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H.
EPSS exploit prediction
EPSS: 0.611 (99.2th percentile), scored .
High probability of exploitation in the next 30 days — patch promptly. 99th percentile — 99.2% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.615 · newest: 0.611 · change: -0.005
Affected products
- Google Chrome — versions unspecified
Weakness classification (CWE)
CISA KEV (Known Exploited Vulnerabilities)
This CVE is on the CISA KEV catalog, added on . CISA KEV inclusion means CISA has confirmed in-the-wild exploitation; US federal agencies are required to remediate within a published due date.
BOD 22-01 due date: .
Required action: Apply updates per vendor instructions.
Public proof-of-concept exploits
References
- crbug.com/936448 (Exploit, Issue Tracking)
- chromereleases.googleblog.com/2019/03/stable-channel-update-for-desktop.html (Release Notes, Vendor Advisory)
- 134c704f-9b21-4f2e-91b3-4a467353bcc0 (US Government Resource)
Frequently asked questions
- What is CVE-2019-5786?
- CVE-2019-5786 is a medium-severity vulnerability in Google Chrome, classified under Use After Free. CVSS score: 6.5/10. Published 2019-06-27.
- How severe is CVE-2019-5786?
- Medium severity. CVSS v3 base score is 6.5 out of 10.
- Is CVE-2019-5786 known to be exploited?
- Yes. CVE-2019-5786 is listed in the CISA Known Exploited Vulnerabilities catalog (added 2022-05-23), indicating it is being actively exploited. 35 public proof-of-concept repositories are indexed.